Does anyone know what the difference between the P9500 and the T9400 is? Their specs are same (cores, clock speed, FSB, cache) but the P9500 is ~32US more. The only thing I could dig up was that the P9500 might use 25W less than the T9400.
The P9500 uses 25W, the T9400 uses 35W (so 10 more), that's the only difference. That 10W difference should affect battery life quite significantly.